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Debt - Summary of Debt Obligations (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Oct. 18, 2021 | Apr. 05, 2021 | Dec. 31, 2020 | Jul. 15, 2020
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Total debt | $ 5,220 |  |  | $ 10,071 |
Less: current maturities of long-term debt | (4,904) |  |  | (4,435) |
Less: long-term related-party debt | 0 |  |  | (195) |
Long-term debt | 0 |  |  | 3,762 |
Note payable | 2021 Promissory Note |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 5,220 |  |  | 0 |
Debt discount - warrants | (316) | $ (200) |  | 0 |
Debt discount - issuance costs |  | $ (280) |  |  |
Note payable | Series A Note |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 0 |  |  | 2,481 |
Note payable | Series B Note |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 0 |  |  | 3,585 |
Note payable | Promissory Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 0 |  |  | 905 |
Notes Payable to Banks | Paycheck Protection Program Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 0 |  |  | 2,850 |
Convertible notes | Series A Note |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt discount - warrants |  |  |  |  | $ (320)
Convertible notes | Series B Note |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt |  |  | $ 11,718 |  |
Debt discount - warrants |  |  |  |  | $ (1,280)
Convertible notes | Convertible Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 0 |  |  | 250 |
Debt discount - warrants | 0 |  |  | (1,029) |
Debt discount - issuance costs | $ 0 |  |  | $ (650) |

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